138509240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5879}}^1$

素因数の和:5940

約数の個数: 64

約数和(自身を含む): 338688000

約数和(自身を除く): 200178760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5879, 5890, 11758, 11780, 23516, 23560, 29395, 47032, 58790, 111701, 117580, 182249, 223402, 235160, 364498, 446804, 558505, 728996, 893608, 911245, 1117010, 1457992, 1822490, 2234020, 3462731, 3644980, 4468040, 6925462, 7289960, 13850924, 17313655, 27701848, 34627310, 69254620, 138509240]

約数ペア:

[(1, 138509240), (2, 69254620), (4, 34627310), (5, 27701848), (8, 17313655), (10, 13850924), (19, 7289960), (20, 6925462), (31, 4468040), (38, 3644980), (40, 3462731), (62, 2234020), (76, 1822490), (95, 1457992), (124, 1117010), (152, 911245), (155, 893608), (190, 728996), (248, 558505), (310, 446804), (380, 364498), (589, 235160), (620, 223402), (760, 182249), (1178, 117580), (1240, 111701), (2356, 58790), (2945, 47032), (4712, 29395), (5879, 23560), (5890, 23516), (11758, 11780)]